75 lines
2.1 KiB
GDScript
75 lines
2.1 KiB
GDScript
extends Camera3D
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@export var height: float = 18.0
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@export var horizontal_distance: float = 18.0
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@export var horizontal_angle_deg: float = 45.0
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@export var ortho_size: float = 15.0
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@export var ortho_size_max: float = 40.0
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const _FLASH_DURATION: float = 0.30
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var _shake_amount: float = 0.0
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var _shake_decay: float = 0.0
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var _flash_timer: float = 0.0
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var _flash_rect: ColorRect = null
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var _target_size: float = 0.0
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func _ready() -> void:
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set_as_top_level(true)
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projection = PROJECTION_ORTHOGONAL
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_target_size = ortho_size
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size = ortho_size
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_setup_flash()
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func _setup_flash() -> void:
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var canvas := CanvasLayer.new()
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canvas.layer = 20
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add_child(canvas)
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_flash_rect = ColorRect.new()
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_flash_rect.set_anchors_and_offsets_preset(Control.PRESET_FULL_RECT)
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_flash_rect.color = Color(1.0, 0.25, 0.2, 0.0)
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_flash_rect.mouse_filter = Control.MOUSE_FILTER_IGNORE
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canvas.add_child(_flash_rect)
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func _unhandled_input(event: InputEvent) -> void:
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if event.is_action_pressed("zoom_in"):
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_target_size = clamp(_target_size / 1.2, ortho_size, ortho_size_max)
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if event.is_action_pressed("zoom_out"):
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_target_size = clamp(_target_size * 1.2, ortho_size, ortho_size_max)
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func _process(delta: float) -> void:
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size = lerpf(size, _target_size, delta * 10.0)
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var angle_rad := deg_to_rad(horizontal_angle_deg)
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var offset := Vector3(
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sin(angle_rad) * horizontal_distance,
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height,
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cos(angle_rad) * horizontal_distance,
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)
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var target := get_parent() as Node3D
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global_position = target.global_position + offset
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look_at(target.global_position, Vector3.UP)
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if _shake_amount > 0.005:
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global_position += Vector3(
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randf_range(-_shake_amount, _shake_amount),
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randf_range(-_shake_amount * 0.25, _shake_amount * 0.25),
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randf_range(-_shake_amount, _shake_amount),
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)
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_shake_amount = move_toward(_shake_amount, 0.0, _shake_decay * delta)
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if _flash_timer > 0.0:
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_flash_timer = maxf(0.0, _flash_timer - delta)
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_flash_rect.color.a = (_flash_timer / _FLASH_DURATION) * 0.6
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else:
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_flash_rect.color.a = 0.0
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func trigger_hit(strength: float) -> void:
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_shake_amount = strength * 0.5
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_shake_decay = _shake_amount / 0.4
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_flash_timer = _FLASH_DURATION
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